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📄 query.js

📁 用最近的dojo1.2.1制作前端的ajax购书网站
💻 JS
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/*	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.	Available via Academic Free License >= 2.1 OR the modified BSD license.	see: http://dojotoolkit.org/license for details*/if(!dojo._hasResource["dojox.json.query"]){dojo._hasResource["dojox.json.query"]=true;dojo.provide("dojox.json.query");(function(){function slice(_1,_2,_3,_4){var _5=_1.length,_6=[];_3=_3||_5;_2=(_2<0)?Math.max(0,_2+_5):Math.min(_5,_2);_3=(_3<0)?Math.max(0,_3+_5):Math.min(_5,_3);for(var i=_2;i<_3;i+=_4){_6.push(_1[i]);}return _6;};function expand(_8,_9){var _a=[];function walk(_b){if(_9){if(_9===true&&!(_b instanceof Array)){_a.push(_b);}else{if(_b[_9]){_a.push(_b[_9]);}}}for(var i in _b){var _d=_b[i];if(!_9){_a.push(_d);}else{if(_d&&typeof _d=="object"){walk(_d);}}}};if(_9 instanceof Array){if(_9.length==1){return _8[_9[0]];}for(var i=0;i<_9.length;i++){_a.push(_8[_9[i]]);}}else{walk(_8);}return _a;};dojox.json.query=function(_f,obj){tokens=[];var _11=0;var str=[];_f=_f.replace(/"(\\.|[^"\\])*"|'(\\.|[^'\\])*'|[\[\]]/g,function(t){_11+=t=="["?1:t=="]"?-1:0;return (t=="]"&&_11>0)?"`]":(t.charAt(0)=="\""||t.charAt(0)=="'")?"`"+(str.push(t)-1):t;});var _14="";function call(_15){_14=_15+"("+_14;};function makeRegex(t,a,b,c,d){return str[d].match(/[\*\?]/)?"/"+str[d].substring(1,str[d].length-1).replace(/\\([btnfr\\"'])|([^\w\*\?])/g,"\\$1$2").replace(/([\*\?])/g,".$1")+(c=="~"?"/i":"/")+".test("+a+")":t;};_f.replace(/(\]|\)|push|pop|shift|splice|sort|reverse)\s*\(/,function(){throw new Error("Unsafe function call");});_f=_f.replace(/([^=]=)([^=])/g,"$1=$2").replace(/@|(\.\s*)?[a-zA-Z\$_]+(\s*:)?/g,function(t){return t.charAt(0)=="."?t:t=="@"?"$obj":(t.match(/:|^(\$|Math)$/)?"":"$obj.")+t;}).replace(/\.?\.?\[(`\]|[^\]])*\]|\?.*|\.\.([\w\$_]+)|\.\*/g,function(t,a,b){var _1f=t.match(/^\.?\.?(\[\s*\?|\?|\[\s*==)(.*?)\]?$/);if(_1f){var _20="";if(t.match(/^\./)){call("expand");_20=",true)";}call(_1f[1].match(/\=/)?"dojo.map":"dojo.filter");return _20+",function($obj){return "+_1f[2]+"})";}_1f=t.match(/^\[\s*([\/\\].*)\]/);if(_1f){return ".concat().sort(function(a,b){"+_1f[1].replace(/\s*,?\s*([\/\\])\s*([^,\\\/]+)/g,function(t,a,b){return "var av= "+b.replace(/\$obj/,"a")+",bv= "+b.replace(/\$obj/,"b")+";if(av>bv||bv==null){return "+(a=="/"?1:-1)+";}\n"+"if(bv>av||av==null){return "+(a=="/"?-1:1)+";}\n";})+"})";}_1f=t.match(/^\[(-?[0-9]*):(-?[0-9]*):?(-?[0-9]*)\]/);if(_1f){call("slice");return ","+(_1f[1]||0)+","+(_1f[2]||0)+","+(_1f[3]||1)+")";}if(t.match(/^\.\.|\.\*|\[\s*\*\s*\]|,/)){call("expand");return (t.charAt(1)=="."?",'"+b+"'":t.match(/,/)?","+t:"")+")";}return t;}).replace(/(\$obj\s*(\.\s*[\w_$]+\s*)*)(==|~)\s*`([0-9]+)/g,makeRegex).replace(/`([0-9]+)\s*(==|~)\s*(\$obj(\s*\.\s*[\w_$]+)*)/g,function(t,a,b,c,d){return makeRegex(t,c,d,b,a);});_f=_14+(_f.charAt(0)=="$"?"":"$")+_f.replace(/`([0-9]+|\])/g,function(t,a){return a=="]"?"]":str[a];});var _2b=eval("1&&function($,$1,$2,$3,$4,$5,$6,$7,$8,$9){var $obj=$;return "+_f+"}");for(var i=0;i<arguments.length-1;i++){arguments[i]=arguments[i+1];}return obj?_2b.apply(this,arguments):_2b;};})();}

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